<div class="layui-form-item">
    <label class="layui-form-label">{$vo.title|raw|default=""}</label>
    <div class="{notempty name='vo.help'}layui-input-inline{else/}layui-input-block{/notempty}" style="{$vo.extra_css|raw|default=''}"  >
      	<div id="{$vo.name}" class="xm-select-demo"></div>
    </div>
    {// 辅助文字}
    {notempty name="vo.help"}
    <div class="layui-form-mid layui-word-aux">{$vo.help}</div>
    {/notempty}
</div>